.pfx数字证书制作及操作使用

#.pfx数字证书制作及操作使用

1. 使用工具
2. .pfx创建
3. 从*.pfx文件提取密钥
4. Java代码操作

#工具下载地址

链接：http://pan.baidu.com/s/1jHOyIQa 密码：aund

#创建.pfx

CN=名称(一般填公司名称)
OU=单位名称
O=作者名称
L=地区
C=国家

第一步打开CertManager.exe

第二步

第三步

以上步骤操作完成之后会生成以下文件

#从*.pfx文件提取密钥

方法:

1:通过keytool密钥库导入命令importkeystore，将密钥库格式由 PKCS#12转换为JKS。
2:检索新生成的密钥库文件，提取别名信息。
3:由密钥库文件导出数字证书（这里将用到别名）。
4:通过代码提取公钥/私钥、签名算法等.

CMD代码

keytool -importkeystore -v -srckeystore zcs.pfx -srcstoretype pkcs12 -srcstorepass 12345678 -destkeystore zcs.keystore -deststoretype jks -deststorepass 12345678

=================================================================

-importkeystore:导入密钥库，通过格式设定，我们可以将PKCS#12文件转换为JKS格式。
-v显示详情
-srckeystore:源密钥库，这里是zcs.pfx
-srcstoretype:源密钥库格式，这里为pkcs12
-srcstorepass:源密钥库密码，这里为12345678
-destkeystore:目标密钥库，这里为zcs.keystore
-deststoretype:目标密钥库格式，这里为jks，默认值也如此
-deststorepass:目标密钥库密码，这里为12345678

通过这个操作，我们能够获得所需的密钥库文件zlex.keystore。
在output目录下按住shift键右击鼠标打开命令行

这时，我们已经获得了密钥库文件，只要确定对应的别名信息，就可以提取公钥/私钥，以及数字证书，进行加密交互了！

CMD代码

keytool -list -keystore zcs.keystore -storepass 12345678 -v

-list:列举密钥库
-keystore:密钥库，这里是zcs.keystore
-storepass:密钥库密码，这里是12345678
-v:显示详情

现在可以导出证书了
CMD代码

keytool -exportcert -alias pvktmp:4c306f24-9992-446d-a334-82e8be541ca5 -keystore zcs.keystore -file zcs.crt -storepass 12345678

-exportcert:导出证书
-alias:别名，这里是1
-keystore:密钥库，这里是zcs.keystore
-file:证书文件，这里是zcs.crt
-storepass:密钥库密码，这里是12345678

最后上Java代码:

package com.charsen.test;


import java.io.FileInputStream;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.Signature;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.util.Date;

import javax.crypto.Cipher;

public class CertificateCoder {
    /**
     * Java密钥库(Java Key Store，JKS)KEY_STORE
     */
    public static final String KEY_STORE = "JKS";

    public static final String X509 = "X.509";

    /**
     * 由 KeyStore获得私钥
     * 
     * @param keyStorePath
     * @param keyStorePassword
     * @param alias
     * @param aliasPassword
     * @return
     * @throws Exception
     */
    private static PrivateKey getPrivateKey(String keyStorePath,
            String keyStorePassword, String alias, String aliasPassword)
            throws Exception {
        KeyStore ks = getKeyStore(keyStorePath, keyStorePassword);
        PrivateKey key = (PrivateKey) ks.getKey(alias,
                aliasPassword.toCharArray());
        return key;
    }

    /**
     * 由 Certificate获得公钥
     * 
     * @param certificatePath
     * @return
     * @throws Exception
     */
    private static PublicKey getPublicKey(String certificatePath)
            throws Exception {
        Certificate certificate = getCertificate(certificatePath);
        PublicKey key = certificate.getPublicKey();
        return key;
    }

    /**
     * 获得Certificate
     * 
     * @param certificatePath
     * @return
     * @throws Exception
     */
    private static Certificate getCertificate(String certificatePath)
            throws Exception {
        CertificateFactory certificateFactory = CertificateFactory
                .getInstance(X509);
        FileInputStream in = new FileInputStream(certificatePath);

        Certificate certificate = certificateFactory.generateCertificate(in);
        in.close();

        return certificate;
    }

    /**
     * 获得Certificate
     * 
     * @param keyStorePath
     * @param keyStorePassword
     * @param alias
     * @return
     * @throws Exception
     */
    private static Certificate getCertificate(String keyStorePath,
            String keyStorePassword, String alias) throws Exception {
        KeyStore ks = getKeyStore(keyStorePath, keyStorePassword);
        Certificate certificate = ks.getCertificate(alias);

        return certificate;
    }

    /**
     * 获得KeyStore
     * 
     * @param keyStorePath
     * @param password
     * @return
     * @throws Exception
     */
    private static KeyStore getKeyStore(String keyStorePath, String password)
            throws Exception {
        FileInputStream is = new FileInputStream(keyStorePath);
        KeyStore ks = KeyStore.getInstance(KEY_STORE);
        ks.load(is, password.toCharArray());
        is.close();
        return ks;
    }

    /**
     * 私钥加密
     * 
     * @param data
     * @param keyStorePath
     * @param keyStorePassword
     * @param alias
     * @param aliasPassword
     * @return
     * @throws Exception
     */
    public static byte[] encryptByPrivateKey(byte[] data, String keyStorePath,
            String keyStorePassword, String alias, String aliasPassword)
            throws Exception {
        // 取得私钥
        PrivateKey privateKey = getPrivateKey(keyStorePath, keyStorePassword,
                alias, aliasPassword);

        // 对数据加密
        Cipher cipher = Cipher.getInstance(privateKey.getAlgorithm());
        cipher.init(Cipher.ENCRYPT_MODE, privateKey);

        return cipher.doFinal(data);

    }

    /**
     * 私钥解密
     * 
     * @param data
     * @param keyStorePath
     * @param alias
     * @param keyStorePassword
     * @param aliasPassword
     * @return
     * @throws Exception
     */
    public static byte[] decryptByPrivateKey(byte[] data, String keyStorePath,
            String alias, String keyStorePassword, String aliasPassword)
            throws Exception {
        // 取得私钥
        PrivateKey privateKey = getPrivateKey(keyStorePath, keyStorePassword,
                alias, aliasPassword);

        // 对数据加密
        Cipher cipher = Cipher.getInstance(privateKey.getAlgorithm());
        cipher.init(Cipher.DECRYPT_MODE, privateKey);

        return cipher.doFinal(data);

    }

    /**
     * 公钥加密
     * 
     * @param data
     * @param certificatePath
     * @return
     * @throws Exception
     */
    public static byte[] encryptByPublicKey(byte[] data, String certificatePath)
            throws Exception {

        // 取得公钥
        PublicKey publicKey = getPublicKey(certificatePath);
        // 对数据加密
        Cipher cipher = Cipher.getInstance(publicKey.getAlgorithm());
        cipher.init(Cipher.ENCRYPT_MODE, publicKey);

        return cipher.doFinal(data);

    }

    /**
     * 公钥解密
     * 
     * @param data
     * @param certificatePath
     * @return
     * @throws Exception
     */
    public static byte[] decryptByPublicKey(byte[] data, String certificatePath)
            throws Exception {
        // 取得公钥
        PublicKey publicKey = getPublicKey(certificatePath);

        // 对数据加密
        Cipher cipher = Cipher.getInstance(publicKey.getAlgorithm());
        cipher.init(Cipher.DECRYPT_MODE, publicKey);

        return cipher.doFinal(data);

    }

    /**
     * 验证Certificate
     * 
     * @param certificatePath
     * @return
     */
    public static boolean verifyCertificate(String certificatePath) {
        return verifyCertificate(new Date(), certificatePath);
    }

    /**
     * 验证Certificate是否过期或无效
     * 
     * @param date
     * @param certificatePath
     * @return
     */
    public static boolean verifyCertificate(Date date, String certificatePath) {
        boolean status = true;
        try {
            // 取得证书
            Certificate certificate = getCertificate(certificatePath);
            // 验证证书是否过期或无效
            status = verifyCertificate(date, certificate);
        } catch (Exception e) {
            status = false;
        }
        return status;
    }

    /**
     * 验证证书是否过期或无效
     * 
     * @param date
     * @param certificate
     * @return
     */
    private static boolean verifyCertificate(Date date, Certificate certificate) {
        boolean status = true;
        try {
            X509Certificate x509Certificate = (X509Certificate) certificate;
            x509Certificate.checkValidity(date);
        } catch (Exception e) {
            status = false;
        }
        return status;
    }

    /**
     * 签名
     * 
     * @param keyStorePath
     * @param alias
     * @param keyStorePassword
     * @param aliasPassword
     * @return
     * @throws Exception
     */
    public static byte[] sign(byte[] sign, String keyStorePath, String alias,
            String keyStorePassword, String aliasPassword) throws Exception {
        // 获得证书
        X509Certificate x509Certificate = (X509Certificate) getCertificate(
                keyStorePath, keyStorePassword, alias);

        // 取得私钥
        PrivateKey privateKey = getPrivateKey(keyStorePath, keyStorePassword,
                alias, aliasPassword);

        // 构建签名
        Signature signature = Signature.getInstance(x509Certificate
                .getSigAlgName());
        signature.initSign(privateKey);
        signature.update(sign);
        return signature.sign();
    }

    /**
     * 验证签名
     * 
     * @param data
     * @param sign
     * @param certificatePath
     * @return
     * @throws Exception
     */
    public static boolean verify(byte[] data, byte[] sign,
            String certificatePath) throws Exception {
        // 获得证书
        X509Certificate x509Certificate = (X509Certificate) getCertificate(certificatePath);
        // 获得公钥
        PublicKey publicKey = x509Certificate.getPublicKey();
        // 构建签名
        Signature signature = Signature.getInstance(x509Certificate
                .getSigAlgName());
        signature.initVerify(publicKey);
        signature.update(data);

        return signature.verify(sign);

    }

    /**
     * 验证Certificate
     * 
     * @param keyStorePath
     * @param keyStorePassword
     * @param alias
     * @return
     */
    public static boolean verifyCertificate(Date date, String keyStorePath,
            String keyStorePassword, String alias) {
        boolean status = true;
        try {
            Certificate certificate = getCertificate(keyStorePath,
                    keyStorePassword, alias);
            status = verifyCertificate(date, certificate);
        } catch (Exception e) {
            status = false;
        }
        return status;
    }

    /**
     * 验证Certificate
     * 
     * @param keyStorePath
     * @param keyStorePassword
     * @param alias
     * @return
     */
    public static boolean verifyCertificate(String keyStorePath,
            String keyStorePassword, String alias) {
        return verifyCertificate(new Date(), keyStorePath, keyStorePassword,
                alias);
    }
}

测试类

package com.charsen.test;

import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.Date;

import org.apache.commons.codec.binary.Hex;
import org.junit.Test;

public class CertificateCoderTest {
    private String certificatePath = "D:\\MyWorkSpace\\UBSS\\test\\src\\sdk.crt";
    private String keyStorePath = "D:\\MyWorkSpace\\UBSS\\test\\src\\sdk.keystore";
    private String keyStorePassword = "12345678";
    private String aliasPassword = "12345678";
    private String alias = "pvktmp:4c306f24-9992-446d-a334-82e8be541ca5";

    @Test
    public void test() throws Exception {
        System.err.println("公钥加密——私钥解密");
        String inputStr = "Ceritifcate";
        byte[] data = inputStr.getBytes();

        byte[] encrypt = CertificateCoder.encryptByPublicKey(data,
                certificatePath);

        byte[] decrypt = CertificateCoder.decryptByPrivateKey(encrypt,
                keyStorePath, alias, keyStorePassword, aliasPassword);
        String outputStr = new String(decrypt);

        System.err.println("加密前: " + inputStr + "\n\r" + "解密后: " + outputStr);

        // 验证数据一致
        assertArrayEquals(data, decrypt);

        // 验证证书有效
        assertTrue(CertificateCoder.verifyCertificate(certificatePath));

    }

    @Test
    public void testSign() throws Exception {
        System.err.println("私钥加密——公钥解密");

        String inputStr = "sign";
        byte[] data = inputStr.getBytes();

        byte[] encodedData = CertificateCoder.encryptByPrivateKey(data,
                keyStorePath, keyStorePassword, alias, aliasPassword);

        byte[] decodedData = CertificateCoder.decryptByPublicKey(encodedData,
                certificatePath);

        String outputStr = new String(decodedData);
        System.err.println("加密前: " + inputStr + "\n\r" + "解密后: " + outputStr);
        assertEquals(inputStr, outputStr);

        System.err.println("私钥签名——公钥验证签名");
        // 产生签名
        byte[] sign = CertificateCoder.sign(encodedData, keyStorePath, alias,
                keyStorePassword, aliasPassword);
        System.err.println("签名:\r" + Hex.encodeHexString(sign));

        // 验证签名
        boolean status = CertificateCoder.verify(encodedData, sign,
                certificatePath);
        System.err.println("状态:\r" + status);
        assertTrue(status);
    }

    @Test
    public void testVerify() throws Exception {
        System.err.println("密钥库证书有效期验证");
        boolean status = CertificateCoder.verifyCertificate(new Date(),
                keyStorePath, keyStorePassword, alias);
        System.err.println("证书状态:\r" + status);
        assertTrue(status);
    }
}